Check the listing for details. Steel Rectangular Tubing 3"X 4" X .125" X 36". Condition: New. Listed at 30.55 USD. Steel Rectangular Tubing 3"X 4" X .125" X 36" Great for heavy duty use in agriculture or other industrial works. When you buy this listing you are purchasing 1 piece that measures 36" +/- 1/16" For larger pieces or custom cuts please message us and we'll take care of you. We stock a wide variety of materials and have large inventories to fit the needs or our customers. Made by Harness Machine & Fab in Indiana Please contact Harness Machine & Fab for other sizes, materials, and custom cuts. We supply angle, flat bar, tubing, channel, and other steel products. We stock aluminum, stainless steel, brass, mild steel, hardened steel, and several other products. We offer CNC High Definition plasma cutting holding tight tolerances CNC Oxyfuel cutting Precision SawingBending